Aquaculture, Semarang – The need for superior catfish seeds can be met with good seeding procedures. Maintenance during the seeding phase is a critical phase in cultivation activities. This occurs because of the high mortality rate during the larval and seed phases. Poor water quality is one of the factors in the high mortality of larvae. In addition, failure in production is also due to fungal infections.
Water quality problems and infectious diseases can result in losses for farmers because they can cause mass deaths and reduce production. Agus Jumaeri as a business actor and head of the Catfish “POKDAKAN MANDIRI” in Ngarapah Village confirmed that this was the biggest problem in catfish cultivation in his cultivation group.
A team of lecturers from the Department of Aquaculture, Faculty of Fisheries and Marine Sciences, Diponegoro University, consisting of Dicky Harwanto, S.Pi., M.Sc., Ph.D., Prof. Dr. Ir. Sarjito, M.App.Sc. and Dr. Ir. Desrina, M.Sc., have conducted Community Service Activities at the Catfish “POKDAKAN MANDIRI” in Ngrapah Village, Banyubiru District, Semarang Regency. on October 24, 2024. This activity aims to transfer technology for the use of a recirculation cultivation system integrated with hydroponics and ultraviolet light to improve water quality and control fungal infections in catfish seeds.
The application of Kaldnes biofilter and garlic plants is expected to improve water quality by breaking down toxic inorganic compounds in water. In addition, the income of farmers is expected to increase from the garlic harvest. The application of UV filters is expected to kill fungi and parasites so that catfish seeds can grow well. Thus, this system is able to realize the goal of SDGs-12, namely to ensure sustainable consumption and production patterns.
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